When elements with four electrons in the outermost shell react chemically ,they

A. Always gain 4 electrons
B. Always lose 4 electrons
C. May lose, gain, or share 4 electrons
D. May lose or gain 4 electrons

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.

According to the kinetic-molecular theory, what happens to a liquid when it is transferred from one container to another? the volume and the shape stay the same. the volume increases to fill the new container, but the shape stays the same. the volume stays the same, but the shape changes to fit the new container. the volume and the shape change to fill the new container.

Categorize them by metal, nonmetal, in periodic tableductilenon-ductilemalleableoften gain electrons easilygood conductorpoor conductorcan be liquidselements